Method to operate a printer given exchange of a reservoir
a technology of reservoir and printer, which is applied in the direction of electrographic process equipment, instruments, optics, etc., can solve the problems of inability to maintain the composition of the developer mixture (and thus the maintenance of toner concentration) without further measures, and the need for extra modules
Inactive Publication Date: 2016-05-31
OCE PRINTING SYST
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Benefits of technology
The patent aims to provide a simple method for operating a printer or copier that allows for continuous printing without interruptions. The technical effect of this invention is the ability to achieve uninterrupted printing with a printer that is easy to operate.
Problems solved by technology
During this exchange, toner concentrate or carrier fluid may no longer be supplied to the mixer from the corresponding reservoir, such that a maintenance of the composition of the developer mixture (and thus a maintenance of the toner concentration) is not possible without further measures.
It is a disadvantage of this method that extra modules must be provided for such intermediate storage, and thus additional scarce structural space is also required.
Moreover, cost-intensive dosing valves must be provided at the intermediate stores.
An additional disadvantage is that sediments often settle in intermediate containers, which can negatively affect the functionality of the printer.
Method used
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[0013]For the purposes of promoting an understanding of the principles of the invention, reference will now be made to preferred exemplary embodiments / best mode illustrated in the drawings and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, and such alterations and further modifications in the illustrated embodiments and such further applications of the principles of the invention as illustrated as would normally occur to one skilled in the art to which the invention relates are included herein.
[0014]According to an exemplary embodiment, given an exchange of the toner concentrate reservoir and / or of the carrier fluid reservoir the electric voltage potential of the electric field is altered such that a predetermined desired inking of the printing substrate is maintained, even given a change of the toner concentrate in the developer mixture that is due to the exchange of the t...
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In a method to operate a printer or copier to print to a printing substrate, or in such a printer or copier, toner concentrate is extracted from a toner concentrate reservoir and carrier fluid is extracted from a carrier fluid reservoir. The extracted toner concentrate and carrier fluid are supplied to a mixer where mixing occurs to form a developer mixture. The developer mixture is applied to a developer roller with aid of an electrical field. Given an exchange of least one of the toner concentration reservoir and the carrier fluid reservoir, a strength of the electrical field is modified such that a predetermined desired inking of the printing substrate is maintained even given a change of a toner concentration in the developer mixture due to the exchange.
Description
BACKGROUND[0001]The disclosure concerns a method to operate a printer or copier to print to a printing substrate, in which method toner concentrate is extracted from a toner concentrate reservoir, carrier fluid is extracted from a carrier fluid reservoir, and these are supplied to a mixer. In the mixer, the toner concentrate and carrier fluid are mixed to form a developer mixture which is subsequently applied to a developer roller in a developer station. The disclosure also concerns a corresponding printer.[0002]In printers that operate according to the electrophoretic principle, the fluid developer mixture made of a toner concentrate and a carrier fluid is mixed together in a mixer. The developer mixture that is obtained in such a manner—which developer mixture is also designated as liquid developer—is applied to a developer roller in a developer station. Depending on the image to be printed, the developer mixture is transferred from the developer roller onto a photoconductor drum ...
Claims
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Login to View More IPC IPC(8): G03G15/08G03G15/06
CPCG03G15/065G03G15/0822G03G15/0851G03G15/0887
Inventor BERG, MARTINKASTNER, FRANZRASCHKE, GUNNAR
Owner OCE PRINTING SYST